AT90S8535-8PC Atmel, AT90S8535-8PC Datasheet - Page 71
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AT90S8535-8PC
Manufacturer Part Number
AT90S8535-8PC
Description
IC MCU 8K FLSH 8MHZ A/D 40DIP
Manufacturer
Atmel
Series
AVR® 90Sr
Specifications of AT90S8535-8PC
Core Processor
AVR
Core Size
8-Bit
Speed
8MHz
Connectivity
SPI, UART/USART
Peripherals
Brown-out Detect/Reset, POR, PWM, WDT
Number Of I /o
32
Program Memory Size
8KB (4K x 16)
Program Memory Type
FLASH
Eeprom Size
512 x 8
Ram Size
512 x 8
Voltage - Supply (vcc/vdd)
4 V ~ 6 V
Data Converters
A/D 8x10b
Oscillator Type
Internal
Operating Temperature
0°C ~ 70°C
Package / Case
40-DIP (0.600", 15.24mm)
Lead Free Status / RoHS Status
Contains lead / RoHS non-compliant
Available stocks
Company
Part Number
Manufacturer
Quantity
Price
Part Number:
AT90S8535-8PC
Manufacturer:
ATMEL/爱特梅尔
Quantity:
20 000
ADC Noise Canceler
Function
1041H–11/01
Figure 48. ADC Timing Diagram, Single Conversion
Figure 49. ADC Timing Diagram, Free Running Conversion
Table 26. ADC Conversion Time
The ADC features a noise canceler that enables conversion during Idle Mode to reduce
noise induced from the CPU core. To make use of this feature, the following procedure
should be used:
1. Make sure that the ADC is enabled and is not busy converting. Single Conver-
Cycle number
ADC clock
ADSC
ADIF
ADCH
ADCL
Condition
Extended Conversion
Normal Conversion
sion Mode must be selected and the ADC conversion complete interrupt must be
enabled.
ADEN = 1
ADSC = 0
ADFR = 0
ADIE = 1
1
Cycle number
ADC clock
ADSC
ADIF
ADCH
ADCL
2
MUX and REFS
update
3
from Start of Conversion)
Conversion
Sample and Hold (Cycles
complete
Sample & hold
One Conversion
4
11
5
12
14
14
6
7
13
One Conversion
8
Next Conversion
1
Sign and MSB of result
LSB of result
9
2
MUX and REFS
update
10
Conversion
25
26
complete
Time (Cycles)
Conversion
3
11
AT90S/LS8535
Sample & hold
12
4
13
Sign and MSB of result
125 - 500
130 - 520
LSB of result
Next Conversion
1
Conversion
Time (µs)
2
MUX and REFS
update
3
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